Simon and Kamina live in an underground city monitored by the village chief. When Simon stumbles upon an artifact and beastmen invade from the surface, Simon and Kamina rebel against them.

Seven years after the defeat of the spiral king, Simon and the Dai-Gurren brigade must set out to the vastness of space to defeat a new threat and save the universe.

The Raccoons of the Tama Hills are being forced from their homes by the rapid development of houses and shopping malls. As it becomes harder to find food and shelter, they decide to band together and fight back. The Raccoons practice and perfect the ancient art of transformation until they are even able to appear as humans in hilarious circumstances.